1,5-Diethyl (2Z,4Z)-4-[amino({4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl})methylidene]-2-cyanopent-2-enedioate 1g

1,5-Diethyl (2Z,4Z)-4-[amino({4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl})methylidene]-2-cyanopent-2-enedioate 1g